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A7335 PDF预览

A7335

更新时间: 2022-02-26 12:30:38
品牌 Logo 应用领域
创瑞 - AITSEMI DC-DC转换器
页数 文件大小 规格书
18页 888K
描述
DC-DC CONVERTER BUCK SYNCHRONOUS CV/CC

A7335 数据手册

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A7335  
DC-DC CONVERTER BUCK (STEP-DOWN)  
30V, 3.5A SYNCHRONOUS CV/CC  
AiT Semiconductor Inc.  
www.ait-ic.com  
ELECTRICAL CHARACTERISTICS  
VIN = 12V, TA = +25, unless otherwise noted.  
Parameter  
Input Supply Voltage  
Symbol  
Conditions  
Min.  
6
Typ.  
-
Max.  
28  
Unit  
V
Input Voltage  
Input UVLO  
UVLO Threshold  
Hysteresis  
VUVLO  
VIN Rising  
VIN Falling  
4.3  
-
4.65  
240  
5
-
V
VUVLOHYS  
mV  
Input Supply Current  
Operation Current  
Quiescent Current  
Shutdown Supply Current  
ENABLE  
IVIN  
IQ  
IOUT = 0mA  
VFB = 1V  
VEN = 0V  
-
-
-
3.8  
2.5  
6.5  
-
-
mA  
mA  
μA  
ISHDN  
10  
Enable Threshold (High)  
Enable Hysteresis  
Enable Internal Pull Up  
Cable Compensation  
ISET Voltage  
VEN_HIGH  
VEN_HYS  
IEN  
1.8  
-
1.95  
0.2  
6
2.1  
-
V
V
3
10  
μA  
VISET  
GISET  
0.98  
-
1.005  
1.02  
-
V
ISET to IOUT DC Current Gain  
Error Amplifier  
R
ISET =7.5kΩ  
30,000  
A/A  
Output Sink Current  
Output Source Current  
Open Loop Gain  
Output Voltage  
ISINK  
ISOURCE  
GVO  
VFB=0.7V  
VFB=0.9V  
-
-
-
150  
50  
-
-
-
μA  
μA  
4,000  
V/V  
Feedback Voltage  
Feedback Current  
Frequency  
VFB  
IFB  
792  
-
808  
0.1  
824  
50  
mV  
nA  
Switching Frequency  
Hiccup Waiting Time  
Maximum Duty Cycle  
fSW_0.8V  
tSW_0V  
DMAX  
VFB = 0.8V  
VFB = 0V  
112  
113  
65  
154  
kHz  
ms  
%
-
-
-
-
fSW = 133kHz  
95  
REV1.0  
- NOV 2017 RELEASED -  
- 4 -  

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